Question
Of the four given options, choose the most appropriate
one.Solution
The correct option is (4) Did she know about the meeting?After "Did," the base form of the verb (know) is used instead of its past (knew) or past participle (known). Hence, "Did she know" is the grammatically correct structure.
In the given diagram, point 'O' represents the center of a circle, while AB and DE are two distinct chords within the circle. The line segment OC is per...
If a wheel covers a distance of 660 m in 30 rotations, then the diameter of the wheel is?
In a circle, the length of a chord AB is 48 cm & radius is 25 cm. Find the distance between centre and chord.
- AB is the diameter of a circle centered at O. A tangent drawn at point C intersects the extension of AB at point D. If ∠CAB = 38°, find the value of ∠...
- Calculate the area of a circle whose radius is (7/8)ᵗʰ of the side of a square whose area measures 1,600 cm². (Take π = 3.14)
In a circle, two chords AB & CD are produced at P which is outside the circle . If PA= 12 cm, AB= 10 cm , PC = 2 cm then find CD.
Find out the circumference of a sector whose radius is 7 cm and it makes the angle of 45° at the centre.Â
A sector of a circle has a central angle of 120° and a radius of 10 cm. Find the area of the sector.
One chord of a circle is given as 18.5 cm. Then the radius (r) of the circle must be:
- The numerical value of the area of a circular park is ten times the numerical value of its perimeter. Find the diameter of the park.
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